| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "mojo/tools/package_manager/manifest.h" |
| |
| #include "base/files/file_util.h" |
| #include "base/json/json_reader.h" |
| #include "base/values.h" |
| #include "url/gurl.h" |
| |
| namespace mojo { |
| |
| Manifest::Manifest() { |
| } |
| |
| Manifest::~Manifest() { |
| } |
| |
| bool Manifest::Parse(const std::string& str, std::string* err_msg) { |
| int err_code = base::JSONReader::JSON_NO_ERROR; |
| scoped_ptr<base::Value> root(base::JSONReader::ReadAndReturnError( |
| str, |
| base::JSON_ALLOW_TRAILING_COMMAS, |
| &err_code, err_msg)); |
| if (err_code != base::JSONReader::JSON_NO_ERROR) |
| return false; |
| |
| const base::DictionaryValue* root_dict; |
| if (!root->GetAsDictionary(&root_dict)) { |
| *err_msg = "Manifest is not a dictionary."; |
| return false; |
| } |
| |
| if (!PopulateDeps(root_dict, err_msg)) |
| return false; |
| |
| return true; |
| } |
| |
| bool Manifest::ParseFromFile(const base::FilePath& file_name, |
| std::string* err_msg) { |
| std::string data; |
| if (!base::ReadFileToString(file_name, &data)) { |
| *err_msg = "Couldn't read manifest file " + file_name.AsUTF8Unsafe(); |
| return false; |
| } |
| return Parse(data, err_msg); |
| } |
| |
| bool Manifest::PopulateDeps(const base::DictionaryValue* root, |
| std::string* err_msg) { |
| const base::Value* deps_value; |
| if (!root->Get("deps", &deps_value)) |
| return true; // No deps, that's OK. |
| |
| const base::ListValue* deps; |
| if (!deps_value->GetAsList(&deps)) { |
| *err_msg = "Deps is not a list. Should be \"deps\": [ \"...\", \"...\" ]"; |
| return false; |
| } |
| |
| deps_.reserve(deps->GetSize()); |
| for (size_t i = 0; i < deps->GetSize(); i++) { |
| std::string cur_dep; |
| if (!deps->GetString(i, &cur_dep)) { |
| *err_msg = "Dependency list item wasn't a string."; |
| return false; |
| } |
| |
| GURL cur_url(cur_dep); |
| if (!cur_url.is_valid()) { |
| *err_msg = "Dependency entry isn't a valid URL: " + cur_dep; |
| return false; |
| } |
| |
| deps_.push_back(cur_url); |
| } |
| |
| return true; |
| } |
| |
| } // namespace mojo |